Ruby Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Ruby Interview Questions

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Explain class libraries in ruby.

How will you comment in ruby.

How to use ruby methods.

Tell me how you can list all routes for an application?

Please explain the three levels of access control for ruby methods?

Tell me what is the difference between ruby 1.9 and ruby 2.0?

Tell us how would you implement hash in ruby internally?

Tell me how can you declare a block in ruby?

Tell us what is the difference between dynamic and static scaffolding?

Tell us in ruby, it explains about the defined operator?

Tell me can you call a private method outside a ruby class using its object?

Please explain each of the following operators and how and when they should be used: ==, ===, eql?, Equal?

Do you know when self.up and self.down method is used?

Tell me what does ruby name refers to?

Tell me how would you freeze an object in ruby? Can you provide a simple example?

Un-Answered Questions { Ruby }

Explain the difference in scope for these two variables: @@name and @name?

What are the data types in ruby?

Do you know how ruby looks up a method to invoke?

What things we can define in the model?

Explain about the command line options?

Is ruby a strongly typed or a weakly typed language?

How ruby looks up a method to invoke?

Explain about interpolation?

Mention what is the command to create a migration?

Tell me how can we define ruby regular expressions?

How is class methods defined in ruby?

In how many ways a block is written in Ruby?

In how many ways items can be added in an array in Ruby?

What is concatenating string in ruby. In how many ways you can create a concatenating string.

How to write multiline string in Ruby?

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